Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 204,631
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     206,851
Calibration 2     205,582
Calibration 3     205,608
ssj_ops@calibrated=205,595
100% 99.5% 205,595 204,631
90% 89.5% 185,035 184,104
80% 80.4% 164,476 165,204
70% 69.1% 143,916 142,100
60% 60.2% 123,357 123,737
50% 50.4% 102,797 103,540
40% 40.1% 82,238 82,507
30% 30.0% 61,678 61,731
20% 20.0% 41,119 41,036
10% 10.0% 20,559 20,529
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,047,697 1,494
Payment 15,047,691
Order Status 1,504,770
Delivery 1,504,770
Stock Level 1,504,770
Customer Report 15,047,692
Calibration 2 New Order 14,952,037 1,494
Payment 14,952,035
Order Status 1,495,203
Delivery 1,495,205
Stock Level 1,495,203
Customer Report 14,952,035
Calibration 3 New Order 14,954,866 1,494
Payment 14,954,870
Order Status 1,495,485
Delivery 1,495,487
Stock Level 1,495,485
Customer Report 14,954,868
100% 99.5% New Order 14,883,492 1,494
Payment 14,883,494
Order Status 1,488,348
Delivery 1,488,350
Stock Level 1,488,350
Customer Report 14,883,492
90% 89.5% New Order 13,391,131 1,494
Payment 13,391,132
Order Status 1,339,114
Delivery 1,339,112
Stock Level 1,339,114
Customer Report 13,391,131
80% 80.4% New Order 12,015,198 1,494
Payment 12,015,192
Order Status 1,201,519
Delivery 1,201,520
Stock Level 1,201,520
Customer Report 12,015,193
70% 69.1% New Order 10,334,587 1,494
Payment 10,334,588
Order Status 1,033,460
Delivery 1,033,460
Stock Level 1,033,458
Customer Report 10,334,588
60% 60.2% New Order 8,999,321 1,494
Payment 8,999,322
Order Status 899,932
Delivery 899,932
Stock Level 899,933
Customer Report 8,999,325
50% 50.4% New Order 7,530,291 1,494
Payment 7,530,294
Order Status 753,028
Delivery 753,029
Stock Level 753,029
Customer Report 7,530,288
40% 40.1% New Order 6,001,083 1,494
Payment 6,001,077
Order Status 600,106
Delivery 600,107
Stock Level 600,106
Customer Report 6,001,080
30% 30.0% New Order 4,489,696 1,494
Payment 4,489,697
Order Status 448,970
Delivery 448,970
Stock Level 448,969
Customer Report 4,489,698
20% 20.0% New Order 2,984,507 1,494
Payment 2,984,506
Order Status 298,449
Delivery 298,451
Stock Level 298,450
Customer Report 2,984,508
10% 10.0% New Order 1,493,032 1,494
Payment 1,493,031
Order Status 149,303
Delivery 149,301
Stock Level 149,303
Customer Report 1,493,030
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0