Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,206
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     195,142
Calibration 2     192,773
Calibration 3     191,871
ssj_ops@calibrated=192,322
100% 99.9% 192,322 192,206
90% 89.3% 173,090 171,821
80% 80.0% 153,858 153,932
70% 70.2% 134,625 135,011
60% 59.2% 115,393 113,775
50% 49.7% 96,161 95,497
40% 40.0% 76,929 76,941
30% 30.0% 57,697 57,662
20% 19.8% 38,464 38,172
10% 10.0% 19,232 19,285
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 14,196,451 1,494
Payment 14,196,449
Order Status 1,419,645
Delivery 1,419,645
Stock Level 1,419,645
Customer Report 14,196,453
Calibration 2 New Order 14,020,154 1,494
Payment 14,020,154
Order Status 1,402,016
Delivery 1,402,017
Stock Level 1,402,016
Customer Report 14,020,161
Calibration 3 New Order 13,954,546 1,494
Payment 13,954,541
Order Status 1,395,455
Delivery 1,395,454
Stock Level 1,395,455
Customer Report 13,954,541
100% 99.9% New Order 13,979,963 1,494
Payment 13,979,960
Order Status 1,397,995
Delivery 1,397,995
Stock Level 1,397,997
Customer Report 13,979,964
90% 89.3% New Order 12,497,410 1,494
Payment 12,497,412
Order Status 1,249,740
Delivery 1,249,741
Stock Level 1,249,742
Customer Report 12,497,415
80% 80.0% New Order 11,195,202 1,494
Payment 11,195,199
Order Status 1,119,520
Delivery 1,119,520
Stock Level 1,119,521
Customer Report 11,195,203
70% 70.2% New Order 9,819,639 1,494
Payment 9,819,640
Order Status 981,964
Delivery 981,964
Stock Level 981,964
Customer Report 9,819,637
60% 59.2% New Order 8,275,204 1,494
Payment 8,275,209
Order Status 827,521
Delivery 827,521
Stock Level 827,519
Customer Report 8,275,202
50% 49.7% New Order 6,946,186 1,494
Payment 6,946,180
Order Status 694,619
Delivery 694,618
Stock Level 694,618
Customer Report 6,946,181
40% 40.0% New Order 5,596,003 1,494
Payment 5,596,003
Order Status 559,600
Delivery 559,599
Stock Level 559,600
Customer Report 5,595,997
30% 30.0% New Order 4,194,109 1,494
Payment 4,194,110
Order Status 419,410
Delivery 419,410
Stock Level 419,411
Customer Report 4,194,109
20% 19.8% New Order 2,776,268 1,494
Payment 2,776,283
Order Status 277,628
Delivery 277,626
Stock Level 277,627
Customer Report 2,776,272
10% 10.0% New Order 1,402,561 1,494
Payment 1,402,560
Order Status 140,255
Delivery 140,257
Stock Level 140,255
Customer Report 1,402,557
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0