Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,496
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     193,785
Calibration 2     191,241
Calibration 3     190,292
ssj_ops@calibrated=190,766
100% 99.3% 190,766 189,496
90% 89.5% 171,690 170,807
80% 80.1% 152,613 152,859
70% 69.5% 133,536 132,616
60% 59.8% 114,460 114,039
50% 50.0% 95,383 95,409
40% 40.1% 76,306 76,467
30% 30.2% 57,230 57,598
20% 19.9% 38,153 38,057
10% 10.1% 19,077 19,228
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 14,097,239 1,494
Payment 14,097,246
Order Status 1,409,724
Delivery 1,409,724
Stock Level 1,409,726
Customer Report 14,097,238
Calibration 2 New Order 13,909,316 1,494
Payment 13,909,318
Order Status 1,390,933
Delivery 1,390,933
Stock Level 1,390,931
Customer Report 13,909,317
Calibration 3 New Order 13,841,153 1,494
Payment 13,841,150
Order Status 1,384,116
Delivery 1,384,115
Stock Level 1,384,116
Customer Report 13,841,152
100% 99.3% New Order 13,782,653 1,494
Payment 13,782,647
Order Status 1,378,266
Delivery 1,378,265
Stock Level 1,378,265
Customer Report 13,782,652
90% 89.5% New Order 12,422,368 1,494
Payment 12,422,370
Order Status 1,242,236
Delivery 1,242,236
Stock Level 1,242,236
Customer Report 12,422,368
80% 80.1% New Order 11,118,291 1,494
Payment 11,118,290
Order Status 1,111,829
Delivery 1,111,828
Stock Level 1,111,829
Customer Report 11,118,288
70% 69.5% New Order 9,645,360 1,494
Payment 9,645,361
Order Status 964,535
Delivery 964,537
Stock Level 964,537
Customer Report 9,645,359
60% 59.8% New Order 8,293,813 1,494
Payment 8,293,809
Order Status 829,381
Delivery 829,379
Stock Level 829,382
Customer Report 8,293,814
50% 50.0% New Order 6,940,061 1,494
Payment 6,940,066
Order Status 694,007
Delivery 694,006
Stock Level 694,006
Customer Report 6,940,065
40% 40.1% New Order 5,561,481 1,494
Payment 5,561,484
Order Status 556,148
Delivery 556,148
Stock Level 556,149
Customer Report 5,561,484
30% 30.2% New Order 4,189,395 1,494
Payment 4,189,391
Order Status 418,939
Delivery 418,937
Stock Level 418,939
Customer Report 4,189,394
20% 19.9% New Order 2,767,837 1,494
Payment 2,767,843
Order Status 276,785
Delivery 276,784
Stock Level 276,784
Customer Report 2,767,840
10% 10.1% New Order 1,398,474 1,494
Payment 1,398,474
Order Status 139,847
Delivery 139,847
Stock Level 139,848
Customer Report 1,398,469
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0