Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,344
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     200,977
Calibration 2     198,470
Calibration 3     197,657
ssj_ops@calibrated=198,063
100% 100.1% 198,063 198,344
90% 89.5% 178,257 177,195
80% 79.4% 158,451 157,244
70% 70.2% 138,644 139,079
60% 60.7% 118,838 120,163
50% 50.1% 99,032 99,160
40% 39.6% 79,225 78,495
30% 30.2% 59,419 59,788
20% 19.9% 39,613 39,464
10% 9.9% 19,806 19,551
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,620,206 1,494
Payment 14,620,209
Order Status 1,462,019
Delivery 1,462,020
Stock Level 1,462,021
Customer Report 14,620,211
Calibration 2 New Order 14,435,376 1,494
Payment 14,435,372
Order Status 1,443,537
Delivery 1,443,536
Stock Level 1,443,537
Customer Report 14,435,369
Calibration 3 New Order 14,375,267 1,494
Payment 14,375,269
Order Status 1,437,528
Delivery 1,437,527
Stock Level 1,437,526
Customer Report 14,375,269
100% 100.1% New Order 14,426,577 1,494
Payment 14,426,583
Order Status 1,442,658
Delivery 1,442,659
Stock Level 1,442,657
Customer Report 14,426,579
90% 89.5% New Order 12,888,495 1,494
Payment 12,888,488
Order Status 1,288,850
Delivery 1,288,848
Stock Level 1,288,849
Customer Report 12,888,484
80% 79.4% New Order 11,436,321 1,494
Payment 11,436,328
Order Status 1,143,632
Delivery 1,143,631
Stock Level 1,143,632
Customer Report 11,436,322
70% 70.2% New Order 10,114,831 1,494
Payment 10,114,831
Order Status 1,011,481
Delivery 1,011,483
Stock Level 1,011,484
Customer Report 10,114,830
60% 60.7% New Order 8,739,444 1,494
Payment 8,739,449
Order Status 873,945
Delivery 873,944
Stock Level 873,945
Customer Report 8,739,444
50% 50.1% New Order 7,212,254 1,494
Payment 7,212,253
Order Status 721,226
Delivery 721,226
Stock Level 721,225
Customer Report 7,212,254
40% 39.6% New Order 5,708,843 1,494
Payment 5,708,843
Order Status 570,886
Delivery 570,883
Stock Level 570,885
Customer Report 5,708,846
30% 30.2% New Order 4,348,277 1,494
Payment 4,348,275
Order Status 434,827
Delivery 434,827
Stock Level 434,827
Customer Report 4,348,279
20% 19.9% New Order 2,870,214 1,494
Payment 2,870,214
Order Status 287,021
Delivery 287,021
Stock Level 287,022
Customer Report 2,870,212
10% 9.9% New Order 1,421,925 1,494
Payment 1,421,927
Order Status 142,193
Delivery 142,193
Stock Level 142,192
Customer Report 1,421,928
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0